mirror of
https://github.com/moparisthebest/wget
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78706dc5ea
amount_read. This is not entirely logical, but that's what the callers expect, and it's not easy to change. * ftp.c (ftp_loop_internal): Ditto. * http.c (http_loop): Be smarter about assigning restval; if we're in the nth pass of a download, simply use the information we have about how much data has been retrieved as restval. * ftp.c (getftp): Ditto for FTP "REST" command. * http.c (gethttp): When the server doesn't respect range, skip the first RESTVAL bytes of the read body. Never truncate the output file. * retr.c (fd_read_body): Support skipping initial STARTPOS octets.
93 lines
4.0 KiB
Plaintext
93 lines
4.0 KiB
Plaintext
Hey Emacs, this is -*- outline -*- mode
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This is the to-do list for GNU Wget. There is no timetable of when we
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plan to implement these features -- this is just a list of features
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we'd like to see in Wget, as well as a list of problems that need
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fixing. Patches to implement these items are likely to be accepted,
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especially if they follow the coding convention outlined in PATCHES
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and if they patch the documentation as well.
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The items are not listed in any particular order (except that
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recently-added items may tend towards the top). Not all of these
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represent user-visible changes.
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* Honor `Content-Disposition: XXX; filename="FILE"' when creating the
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file name. If possible, try not to break `-nc' and friends when
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doing that.
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* Wget shouldn't delete rejected files that were not downloaded, but
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just found on disk because of `-nc'. For example, `wget -r -nc
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-A.gif URL' should allow the user to get all the GIFs without
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removing any of the existing HTML files.
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* Be careful not to lose username/password information given for the
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URL on the command line.
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* Add a --range parameter allowing you to explicitly specify a range
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of bytes to get from a file over HTTP (FTP only supports ranges
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ending at the end of the file, though forcibly disconnecting from
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the server at the desired endpoint might be workable).
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* If multiple FTP URLs are specified that are on the same host, Wget should
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re-use the connection rather than opening a new one for each file.
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* Try to devise a scheme so that, when password is unknown, Wget asks
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the user for one.
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* If -c used with -N, check to make sure a file hasn't changed on the server
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before "continuing" to download it (preventing a bogus hybrid file).
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* Generalize --html-extension to something like --mime-extensions and
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have it look at mime.types/mimecap file for preferred extension.
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Non-HTML files with filenames changed this way would be
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re-downloaded each time despite -N unless .orig files were saved for
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them. Since .orig would contain the same data as non-.orig, the
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latter could be just a link to the former. Another possibility
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would be to implement a per-directory database called something like
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.wget_url_mapping containing URLs and their corresponding filenames.
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* When spanning hosts, there's no way to say that you are only interested in
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files in a certain directory on _one_ of the hosts (-I and -X apply to all).
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Perhaps -I and -X should take an optional hostname before the directory?
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* --retr-symlinks should cause wget to traverse links to directories too.
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* Make wget return non-zero status in more situations, like incorrect HTTP auth.
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* Make -K compare X.orig to X and move the former on top of the latter if
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they're the same, rather than leaving identical .orig files laying around.
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* Make `-k' check for files that were downloaded in the past and convert links
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to them in newly-downloaded documents.
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* Add option to clobber existing file names (no `.N' suffixes).
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* Add option to only list wildcard matches without doing the download.
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* Handle MIME types correctly. There should be an option to (not)
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retrieve files based on MIME types, e.g. `--accept-types=image/*'.
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* Allow time-stamping by arbitrary date.
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* Allow size limit to files (perhaps with an option to download oversize files
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up through the limit or not at all, to get more functionality than [u]limit.
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* Download to .in* when mirroring.
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* Add an option to delete or move no-longer-existent files when mirroring.
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* Implement uploading (--upload URL?) in FTP and HTTP.
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* Rewrite FTP code to allow for easy addition of new commands. It
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should probably be coded as a simple DFA engine.
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* Make HTTP timestamping use If-Modified-Since facility.
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* Add more protocols (e.g. gopher and news), implementing them in a
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modular fashion.
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* Add a "rollback" option to have continued retrieval throw away a
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configurable number of bytes at the end of a file before resuming
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download. Apparently, some stupid proxies insert a "transfer
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interrupted" string we need to get rid of.
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